2524 lines
57 KiB
C++
2524 lines
57 KiB
C++
/**
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* @file lllineeditor.cpp
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* @brief LLLineEditor base class
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*
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* $LicenseInfo:firstyear=2001&license=viewergpl$
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*
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* Copyright (c) 2001-2009, Linden Research, Inc.
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*
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* Second Life Viewer Source Code
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* The source code in this file ("Source Code") is provided by Linden Lab
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* to you under the terms of the GNU General Public License, version 2.0
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* ("GPL"), unless you have obtained a separate licensing agreement
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* ("Other License"), formally executed by you and Linden Lab. Terms of
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* the GPL can be found in doc/GPL-license.txt in this distribution, or
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* online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
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*
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* There are special exceptions to the terms and conditions of the GPL as
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* it is applied to this Source Code. View the full text of the exception
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* in the file doc/FLOSS-exception.txt in this software distribution, or
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* online at
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* http://secondlifegrid.net/programs/open_source/licensing/flossexception
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*
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* By copying, modifying or distributing this software, you acknowledge
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* that you have read and understood your obligations described above,
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* and agree to abide by those obligations.
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*
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* ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
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* WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
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* COMPLETENESS OR PERFORMANCE.
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* $/LicenseInfo$
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*/
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// Text editor widget to let users enter a single line.
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#include "linden_common.h"
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#include "lllineeditor.h"
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#include "lltexteditor.h"
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#include "audioengine.h"
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#include "llmath.h"
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#include "llfontgl.h"
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#include "llgl.h"
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#include "lltimer.h"
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//#include "llclipboard.h"
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#include "llcontrol.h"
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#include "llbutton.h"
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#include "llfocusmgr.h"
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#include "llkeyboard.h"
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#include "llrect.h"
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#include "llresmgr.h"
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#include "llstring.h"
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#include "llwindow.h"
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#include "llui.h"
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#include "lluictrlfactory.h"
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#include "llclipboard.h"
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//
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// Imported globals
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//
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//
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// Constants
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//
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const F32 CURSOR_FLASH_DELAY = 1.0f; // in seconds
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const S32 SCROLL_INCREMENT_ADD = 0; // make space for typing
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const S32 SCROLL_INCREMENT_DEL = 4; // make space for baskspacing
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const F32 AUTO_SCROLL_TIME = 0.05f;
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const F32 TRIPLE_CLICK_INTERVAL = 0.3f; // delay between double and triple click. *TODO: make this equal to the double click interval?
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static LLDefaultChildRegistry::Register<LLLineEditor> r1("line_editor");
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//
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// Member functions
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//
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void LLLineEditor::PrevalidateNamedFuncs::declareValues()
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{
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declare("ascii", LLLineEditor::prevalidateASCII);
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declare("float", LLLineEditor::prevalidateFloat);
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declare("int", LLLineEditor::prevalidateInt);
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declare("positive_s32", LLLineEditor::prevalidatePositiveS32);
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declare("non_negative_s32", LLLineEditor::prevalidateNonNegativeS32);
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declare("alpha_num", LLLineEditor::prevalidateAlphaNum);
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declare("alpha_num_space", LLLineEditor::prevalidateAlphaNumSpace);
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declare("printable_not_pipe", LLLineEditor::prevalidatePrintableNotPipe);
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declare("printable_no_space", LLLineEditor::prevalidatePrintableNoSpace);
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}
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LLLineEditor::Params::Params()
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: max_length_bytes("max_length", 254),
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keystroke_callback("keystroke_callback"),
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prevalidate_callback("prevalidate_callback"),
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background_image("background_image"),
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background_image_disabled("background_image_disabled"),
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background_image_focused("background_image_focused"),
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select_on_focus("select_on_focus", false),
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handle_edit_keys_directly("handle_edit_keys_directly", false),
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commit_on_focus_lost("commit_on_focus_lost", true),
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ignore_tab("ignore_tab", true),
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cursor_color("cursor_color"),
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text_color("text_color"),
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text_readonly_color("text_readonly_color"),
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text_tentative_color("text_tentative_color"),
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highlight_color("highlight_color"),
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preedit_bg_color("preedit_bg_color"),
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border(""),
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is_unicode("is_unicode"),
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drop_shadow_visible("drop_shadow_visible"),
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border_drop_shadow_visible("border_drop_shadow_visible"),
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bg_visible("bg_visible"),
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text_pad_left("text_pad_left"),
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text_pad_right("text_pad_right"),
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default_text("default_text")
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{
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mouse_opaque = true;
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addSynonym(select_on_focus, "select_all_on_focus_received");
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addSynonym(border, "border");
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addSynonym(label, "watermark_text");
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}
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LLLineEditor::LLLineEditor(const LLLineEditor::Params& p)
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: LLUICtrl(p),
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mMaxLengthBytes(p.max_length_bytes),
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mCursorPos( 0 ),
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mScrollHPos( 0 ),
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mTextPadLeft(p.text_pad_left),
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mTextPadRight(p.text_pad_right),
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mMinHPixels(0), // computed in updateTextPadding() below
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mMaxHPixels(0), // computed in updateTextPadding() below
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mCommitOnFocusLost( p.commit_on_focus_lost ),
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mRevertOnEsc( TRUE ),
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mKeystrokeCallback( p.keystroke_callback() ),
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mIsSelecting( FALSE ),
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mSelectionStart( 0 ),
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mSelectionEnd( 0 ),
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mLastSelectionX(-1),
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mLastSelectionY(-1),
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mLastSelectionStart(-1),
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mLastSelectionEnd(-1),
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mBorderThickness( 0 ),
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mIgnoreArrowKeys( FALSE ),
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mIgnoreTab( p.ignore_tab ),
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mDrawAsterixes( FALSE ),
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mHandleEditKeysDirectly(p.handle_edit_keys_directly),
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mSelectAllonFocusReceived( p.select_on_focus ),
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mPassDelete(FALSE),
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mReadOnly(FALSE),
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mBgImage( p.background_image ),
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mBgImageDisabled( p.background_image_disabled ),
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mBgImageFocused( p.background_image_focused ),
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mReplaceNewlinesWithSpaces( TRUE ),
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mLabel(p.label),
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mCursorColor(p.cursor_color()),
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mFgColor(p.text_color()),
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mReadOnlyFgColor(p.text_readonly_color()),
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mTentativeFgColor(p.text_tentative_color()),
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mHighlightColor(p.highlight_color()),
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mPreeditBgColor(p.preedit_bg_color()),
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mGLFont(p.font)
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{
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llassert( mMaxLengthBytes > 0 );
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mScrollTimer.reset();
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mTripleClickTimer.reset();
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setText(p.default_text());
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// line history support:
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// - initialize line history list
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mLineHistory.insert( mLineHistory.end(), "" );
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// - disable line history by default
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mHaveHistory = FALSE;
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// - reset current history line pointer
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mCurrentHistoryLine = 0;
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LLRect border_rect(getLocalRect());
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// adjust for gl line drawing glitch
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border_rect.mTop -= 1;
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border_rect.mRight -=1;
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LLViewBorder::Params border_p(p.border);
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border_p.rect = border_rect;
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border_p.follows.flags = FOLLOWS_ALL;
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border_p.bevel_style = LLViewBorder::BEVEL_IN;
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mBorder = LLUICtrlFactory::create<LLViewBorder>(border_p);
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addChild( mBorder );
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// clamp text padding to current editor size
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updateTextPadding();
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setCursor(mText.length());
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setPrevalidate(p.prevalidate_callback());
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}
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LLLineEditor::~LLLineEditor()
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{
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mCommitOnFocusLost = FALSE;
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gFocusMgr.releaseFocusIfNeeded( this );
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if( gEditMenuHandler == this )
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{
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gEditMenuHandler = NULL;
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}
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}
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void LLLineEditor::onFocusReceived()
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{
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LLUICtrl::onFocusReceived();
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updateAllowingLanguageInput();
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}
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void LLLineEditor::onFocusLost()
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{
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// The call to updateAllowLanguageInput()
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// when loosing the keyboard focus *may*
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// indirectly invoke handleUnicodeCharHere(),
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// so it must be called before onCommit.
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updateAllowingLanguageInput();
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if( mCommitOnFocusLost && mText.getString() != mPrevText)
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{
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onCommit();
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}
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if( gEditMenuHandler == this )
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{
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gEditMenuHandler = NULL;
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}
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getWindow()->showCursorFromMouseMove();
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LLUICtrl::onFocusLost();
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}
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// virtual
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void LLLineEditor::onCommit()
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{
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// put current line into the line history
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updateHistory();
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setControlValue(getValue());
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LLUICtrl::onCommit();
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selectAll();
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}
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// Returns TRUE if user changed value at all
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// virtual
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BOOL LLLineEditor::isDirty() const
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{
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return mText.getString() != mPrevText;
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}
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// Clear dirty state
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// virtual
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void LLLineEditor::resetDirty()
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{
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mPrevText = mText.getString();
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}
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// assumes UTF8 text
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// virtual
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void LLLineEditor::setValue(const LLSD& value )
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{
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setText(value.asString());
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}
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//virtual
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LLSD LLLineEditor::getValue() const
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{
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return LLSD(getText());
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}
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// line history support
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void LLLineEditor::updateHistory()
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{
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// On history enabled line editors, remember committed line and
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// reset current history line number.
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// Be sure only to remember lines that are not empty and that are
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// different from the last on the list.
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if( mHaveHistory && mText.length() && ( mLineHistory.empty() || getText() != mLineHistory.back() ) )
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{
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// discard possible empty line at the end of the history
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// inserted by setText()
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if( !mLineHistory.back().length() )
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{
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mLineHistory.pop_back();
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}
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mLineHistory.insert( mLineHistory.end(), getText() );
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mCurrentHistoryLine = mLineHistory.size() - 1;
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}
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}
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void LLLineEditor::reshape(S32 width, S32 height, BOOL called_from_parent)
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{
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LLUICtrl::reshape(width, height, called_from_parent);
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updateTextPadding(); // For clamping side-effect.
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setCursor(mCursorPos); // For clamping side-effect.
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}
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void LLLineEditor::setEnabled(BOOL enabled)
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{
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mReadOnly = !enabled;
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setTabStop(!mReadOnly);
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updateAllowingLanguageInput();
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}
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void LLLineEditor::setMaxTextLength(S32 max_text_length)
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{
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S32 max_len = llmax(0, max_text_length);
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mMaxLengthBytes = max_len;
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}
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void LLLineEditor::updateTextPadding()
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{
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static LLUICachedControl<S32> line_editor_hpad ("UILineEditorHPad", 0);
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mTextPadLeft = llclamp(mTextPadLeft, 0, getRect().getWidth());
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mTextPadRight = llclamp(mTextPadRight, 0, getRect().getWidth());
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mMinHPixels = line_editor_hpad + mTextPadLeft;
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mMaxHPixels = getRect().getWidth() - mMinHPixels - mTextPadRight;
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}
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void LLLineEditor::setText(const LLStringExplicit &new_text)
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{
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// If new text is identical, don't copy and don't move insertion point
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if (mText.getString() == new_text)
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{
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return;
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}
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// Check to see if entire field is selected.
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S32 len = mText.length();
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BOOL all_selected = (len > 0)
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&& (( mSelectionStart == 0 && mSelectionEnd == len )
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|| ( mSelectionStart == len && mSelectionEnd == 0 ));
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// Do safe truncation so we don't split multi-byte characters
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// also consider entire string selected when mSelectAllonFocusReceived is set on an empty, focused line editor
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all_selected = all_selected || (len == 0 && hasFocus() && mSelectAllonFocusReceived);
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std::string truncated_utf8 = new_text;
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if (truncated_utf8.size() > (U32)mMaxLengthBytes)
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{
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truncated_utf8 = utf8str_truncate(new_text, mMaxLengthBytes);
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}
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mText.assign(truncated_utf8);
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if (all_selected)
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{
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// ...keep whole thing selected
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selectAll();
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}
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else
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{
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// try to preserve insertion point, but deselect text
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deselect();
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}
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setCursor(llmin((S32)mText.length(), getCursor()));
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// Newly set text goes always in the last line of history.
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// Possible empty strings (as with chat line) will be deleted later.
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mLineHistory.insert( mLineHistory.end(), new_text );
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// Set current history line to end of history.
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mCurrentHistoryLine = mLineHistory.size() - 1;
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mPrevText = mText;
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}
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// Picks a new cursor position based on the actual screen size of text being drawn.
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void LLLineEditor::setCursorAtLocalPos( S32 local_mouse_x )
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{
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const llwchar* wtext = mText.getWString().c_str();
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LLWString asterix_text;
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if (mDrawAsterixes)
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{
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for (S32 i = 0; i < mText.length(); i++)
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{
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asterix_text += '*';
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}
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wtext = asterix_text.c_str();
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}
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S32 cursor_pos =
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mScrollHPos +
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mGLFont->charFromPixelOffset(
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wtext, mScrollHPos,
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(F32)(local_mouse_x - mMinHPixels),
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(F32)(mMaxHPixels - mMinHPixels + 1)); // min-max range is inclusive
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setCursor(cursor_pos);
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}
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void LLLineEditor::setCursor( S32 pos )
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{
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S32 old_cursor_pos = getCursor();
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mCursorPos = llclamp( pos, 0, mText.length());
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S32 pixels_after_scroll = findPixelNearestPos();
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if( pixels_after_scroll > mMaxHPixels )
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{
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S32 width_chars_to_left = mGLFont->getWidth(mText.getWString().c_str(), 0, mScrollHPos);
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S32 last_visible_char = mGLFont->maxDrawableChars(mText.getWString().c_str(), llmax(0.f, (F32)(mMaxHPixels - mMinHPixels + width_chars_to_left)));
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S32 min_scroll = mGLFont->firstDrawableChar(mText.getWString().c_str(), (F32)(mMaxHPixels - mMinHPixels), mText.length(), getCursor());
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if (old_cursor_pos == last_visible_char)
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{
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mScrollHPos = llmin(mText.length(), llmax(min_scroll, mScrollHPos + SCROLL_INCREMENT_ADD));
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}
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else
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{
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mScrollHPos = min_scroll;
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}
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}
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else if (getCursor() < mScrollHPos)
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{
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if (old_cursor_pos == mScrollHPos)
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{
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mScrollHPos = llmax(0, llmin(getCursor(), mScrollHPos - SCROLL_INCREMENT_DEL));
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}
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else
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{
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mScrollHPos = getCursor();
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}
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}
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}
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void LLLineEditor::setCursorToEnd()
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{
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setCursor(mText.length());
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deselect();
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}
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BOOL LLLineEditor::canDeselect() const
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{
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return hasSelection();
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}
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void LLLineEditor::deselect()
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{
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mSelectionStart = 0;
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mSelectionEnd = 0;
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mIsSelecting = FALSE;
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}
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void LLLineEditor::startSelection()
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{
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mIsSelecting = TRUE;
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mSelectionStart = getCursor();
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mSelectionEnd = getCursor();
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}
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void LLLineEditor::endSelection()
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{
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if( mIsSelecting )
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{
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mIsSelecting = FALSE;
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mSelectionEnd = getCursor();
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}
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}
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BOOL LLLineEditor::canSelectAll() const
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{
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return TRUE;
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}
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void LLLineEditor::selectAll()
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{
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mSelectionStart = mText.length();
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mSelectionEnd = 0;
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setCursor(mSelectionEnd);
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//mScrollHPos = 0;
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mIsSelecting = TRUE;
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}
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BOOL LLLineEditor::handleDoubleClick(S32 x, S32 y, MASK mask)
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{
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setFocus( TRUE );
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mTripleClickTimer.setTimerExpirySec(TRIPLE_CLICK_INTERVAL);
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if (mSelectionEnd == 0 && mSelectionStart == mText.length())
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{
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// if everything is selected, handle this as a normal click to change insertion point
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handleMouseDown(x, y, mask);
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}
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else
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{
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const LLWString& wtext = mText.getWString();
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BOOL doSelectAll = TRUE;
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// Select the word we're on
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if( LLTextEditor::isPartOfWord( wtext[mCursorPos] ) )
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{
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S32 old_selection_start = mLastSelectionStart;
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S32 old_selection_end = mLastSelectionEnd;
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// Select word the cursor is over
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while ((mCursorPos > 0) && LLTextEditor::isPartOfWord( wtext[mCursorPos-1] ))
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{ // Find the start of the word
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mCursorPos--;
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}
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startSelection();
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while ((mCursorPos < (S32)wtext.length()) && LLTextEditor::isPartOfWord( wtext[mCursorPos] ) )
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{ // Find the end of the word
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mCursorPos++;
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}
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mSelectionEnd = mCursorPos;
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// If nothing changed, then the word was already selected. Select the whole line.
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doSelectAll = (old_selection_start == mSelectionStart) &&
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(old_selection_end == mSelectionEnd);
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}
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if ( doSelectAll )
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{ // Select everything
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selectAll();
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}
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}
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// We don't want handleMouseUp() to "finish" the selection (and thereby
|
|
// set mSelectionEnd to where the mouse is), so we finish the selection
|
|
// here.
|
|
mIsSelecting = FALSE;
|
|
|
|
// delay cursor flashing
|
|
mKeystrokeTimer.reset();
|
|
|
|
// take selection to 'primary' clipboard
|
|
updatePrimary();
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
BOOL LLLineEditor::handleMouseDown(S32 x, S32 y, MASK mask)
|
|
{
|
|
// Check first whether the "clear search" button wants to deal with this.
|
|
if(childrenHandleMouseDown(x, y, mask) != NULL)
|
|
{
|
|
return TRUE;
|
|
}
|
|
if (mSelectAllonFocusReceived
|
|
&& gFocusMgr.getKeyboardFocus() != this)
|
|
{
|
|
setFocus( TRUE );
|
|
}
|
|
else
|
|
{
|
|
mLastSelectionStart = -1;
|
|
mLastSelectionStart = -1;
|
|
|
|
setFocus( TRUE );
|
|
|
|
if (mask & MASK_SHIFT)
|
|
{
|
|
// Handle selection extension
|
|
S32 old_cursor_pos = getCursor();
|
|
setCursorAtLocalPos(x);
|
|
|
|
if (hasSelection())
|
|
{
|
|
/* Mac-like behavior - extend selection towards the cursor
|
|
if (getCursor() < mSelectionStart
|
|
&& getCursor() < mSelectionEnd)
|
|
{
|
|
// ...left of selection
|
|
mSelectionStart = llmax(mSelectionStart, mSelectionEnd);
|
|
mSelectionEnd = getCursor();
|
|
}
|
|
else if (getCursor() > mSelectionStart
|
|
&& getCursor() > mSelectionEnd)
|
|
{
|
|
// ...right of selection
|
|
mSelectionStart = llmin(mSelectionStart, mSelectionEnd);
|
|
mSelectionEnd = getCursor();
|
|
}
|
|
else
|
|
{
|
|
mSelectionEnd = getCursor();
|
|
}
|
|
*/
|
|
// Windows behavior
|
|
mSelectionEnd = getCursor();
|
|
}
|
|
else
|
|
{
|
|
mSelectionStart = old_cursor_pos;
|
|
mSelectionEnd = getCursor();
|
|
}
|
|
// assume we're starting a drag select
|
|
mIsSelecting = TRUE;
|
|
}
|
|
else
|
|
{
|
|
if (mTripleClickTimer.hasExpired())
|
|
{
|
|
// Save selection for word/line selecting on double-click
|
|
mLastSelectionStart = mSelectionStart;
|
|
mLastSelectionEnd = mSelectionEnd;
|
|
|
|
// Move cursor and deselect for regular click
|
|
setCursorAtLocalPos( x );
|
|
deselect();
|
|
startSelection();
|
|
}
|
|
else // handle triple click
|
|
{
|
|
selectAll();
|
|
// We don't want handleMouseUp() to "finish" the selection (and thereby
|
|
// set mSelectionEnd to where the mouse is), so we finish the selection
|
|
// here.
|
|
mIsSelecting = FALSE;
|
|
}
|
|
}
|
|
|
|
gFocusMgr.setMouseCapture( this );
|
|
}
|
|
|
|
// delay cursor flashing
|
|
mKeystrokeTimer.reset();
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
BOOL LLLineEditor::handleMiddleMouseDown(S32 x, S32 y, MASK mask)
|
|
{
|
|
// llinfos << "MiddleMouseDown" << llendl;
|
|
setFocus( TRUE );
|
|
if( canPastePrimary() )
|
|
{
|
|
setCursorAtLocalPos(x);
|
|
pastePrimary();
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
BOOL LLLineEditor::handleHover(S32 x, S32 y, MASK mask)
|
|
{
|
|
BOOL handled = FALSE;
|
|
// Check first whether the "clear search" button wants to deal with this.
|
|
if(!hasMouseCapture())
|
|
{
|
|
if(childrenHandleHover(x, y, mask) != NULL)
|
|
{
|
|
return TRUE;
|
|
}
|
|
}
|
|
|
|
if( (hasMouseCapture()) && mIsSelecting )
|
|
{
|
|
if (x != mLastSelectionX || y != mLastSelectionY)
|
|
{
|
|
mLastSelectionX = x;
|
|
mLastSelectionY = y;
|
|
}
|
|
// Scroll if mouse cursor outside of bounds
|
|
if (mScrollTimer.hasExpired())
|
|
{
|
|
S32 increment = llround(mScrollTimer.getElapsedTimeF32() / AUTO_SCROLL_TIME);
|
|
mScrollTimer.reset();
|
|
mScrollTimer.setTimerExpirySec(AUTO_SCROLL_TIME);
|
|
if( (x < mMinHPixels) && (mScrollHPos > 0 ) )
|
|
{
|
|
// Scroll to the left
|
|
mScrollHPos = llclamp(mScrollHPos - increment, 0, mText.length());
|
|
}
|
|
else
|
|
if( (x > mMaxHPixels) && (mCursorPos < (S32)mText.length()) )
|
|
{
|
|
// If scrolling one pixel would make a difference...
|
|
S32 pixels_after_scrolling_one_char = findPixelNearestPos(1);
|
|
if( pixels_after_scrolling_one_char >= mMaxHPixels )
|
|
{
|
|
// ...scroll to the right
|
|
mScrollHPos = llclamp(mScrollHPos + increment, 0, mText.length());
|
|
}
|
|
}
|
|
}
|
|
|
|
setCursorAtLocalPos( x );
|
|
mSelectionEnd = getCursor();
|
|
|
|
// delay cursor flashing
|
|
mKeystrokeTimer.reset();
|
|
|
|
getWindow()->setCursor(UI_CURSOR_IBEAM);
|
|
lldebugst(LLERR_USER_INPUT) << "hover handled by " << getName() << " (active)" << llendl;
|
|
handled = TRUE;
|
|
}
|
|
|
|
if( !handled )
|
|
{
|
|
getWindow()->setCursor(UI_CURSOR_IBEAM);
|
|
lldebugst(LLERR_USER_INPUT) << "hover handled by " << getName() << " (inactive)" << llendl;
|
|
handled = TRUE;
|
|
}
|
|
|
|
return handled;
|
|
}
|
|
|
|
|
|
BOOL LLLineEditor::handleMouseUp(S32 x, S32 y, MASK mask)
|
|
{
|
|
BOOL handled = FALSE;
|
|
|
|
if( hasMouseCapture() )
|
|
{
|
|
gFocusMgr.setMouseCapture( NULL );
|
|
handled = TRUE;
|
|
}
|
|
|
|
// Check first whether the "clear search" button wants to deal with this.
|
|
if(!handled && childrenHandleMouseUp(x, y, mask) != NULL)
|
|
{
|
|
return TRUE;
|
|
}
|
|
|
|
if( mIsSelecting )
|
|
{
|
|
setCursorAtLocalPos( x );
|
|
mSelectionEnd = getCursor();
|
|
|
|
handled = TRUE;
|
|
}
|
|
|
|
if( handled )
|
|
{
|
|
// delay cursor flashing
|
|
mKeystrokeTimer.reset();
|
|
|
|
// take selection to 'primary' clipboard
|
|
updatePrimary();
|
|
}
|
|
|
|
return handled;
|
|
}
|
|
|
|
|
|
// Remove a single character from the text
|
|
void LLLineEditor::removeChar()
|
|
{
|
|
if( getCursor() > 0 )
|
|
{
|
|
mText.erase(getCursor() - 1, 1);
|
|
|
|
setCursor(getCursor() - 1);
|
|
}
|
|
else
|
|
{
|
|
reportBadKeystroke();
|
|
}
|
|
}
|
|
|
|
|
|
void LLLineEditor::addChar(const llwchar uni_char)
|
|
{
|
|
llwchar new_c = uni_char;
|
|
if (hasSelection())
|
|
{
|
|
deleteSelection();
|
|
}
|
|
else if (LL_KIM_OVERWRITE == gKeyboard->getInsertMode())
|
|
{
|
|
mText.erase(getCursor(), 1);
|
|
}
|
|
|
|
S32 cur_bytes = mText.getString().size();
|
|
S32 new_bytes = wchar_utf8_length(new_c);
|
|
|
|
BOOL allow_char = TRUE;
|
|
|
|
// Check byte length limit
|
|
if ((new_bytes + cur_bytes) > mMaxLengthBytes)
|
|
{
|
|
allow_char = FALSE;
|
|
}
|
|
|
|
if (allow_char)
|
|
{
|
|
// Will we need to scroll?
|
|
LLWString w_buf;
|
|
w_buf.assign(1, new_c);
|
|
|
|
mText.insert(getCursor(), w_buf);
|
|
setCursor(getCursor() + 1);
|
|
}
|
|
else
|
|
{
|
|
reportBadKeystroke();
|
|
}
|
|
|
|
getWindow()->hideCursorUntilMouseMove();
|
|
}
|
|
|
|
// Extends the selection box to the new cursor position
|
|
void LLLineEditor::extendSelection( S32 new_cursor_pos )
|
|
{
|
|
if( !mIsSelecting )
|
|
{
|
|
startSelection();
|
|
}
|
|
|
|
setCursor(new_cursor_pos);
|
|
mSelectionEnd = getCursor();
|
|
}
|
|
|
|
|
|
void LLLineEditor::setSelection(S32 start, S32 end)
|
|
{
|
|
S32 len = mText.length();
|
|
|
|
mIsSelecting = TRUE;
|
|
|
|
// JC, yes, this seems odd, but I think you have to presume a
|
|
// selection dragged from the end towards the start.
|
|
mSelectionStart = llclamp(end, 0, len);
|
|
mSelectionEnd = llclamp(start, 0, len);
|
|
setCursor(start);
|
|
}
|
|
|
|
void LLLineEditor::setDrawAsterixes(BOOL b)
|
|
{
|
|
mDrawAsterixes = b;
|
|
updateAllowingLanguageInput();
|
|
}
|
|
|
|
S32 LLLineEditor::prevWordPos(S32 cursorPos) const
|
|
{
|
|
const LLWString& wtext = mText.getWString();
|
|
while( (cursorPos > 0) && (wtext[cursorPos-1] == ' ') )
|
|
{
|
|
cursorPos--;
|
|
}
|
|
while( (cursorPos > 0) && LLTextEditor::isPartOfWord( wtext[cursorPos-1] ) )
|
|
{
|
|
cursorPos--;
|
|
}
|
|
return cursorPos;
|
|
}
|
|
|
|
S32 LLLineEditor::nextWordPos(S32 cursorPos) const
|
|
{
|
|
const LLWString& wtext = mText.getWString();
|
|
while( (cursorPos < getLength()) && LLTextEditor::isPartOfWord( wtext[cursorPos] ) )
|
|
{
|
|
cursorPos++;
|
|
}
|
|
while( (cursorPos < getLength()) && (wtext[cursorPos] == ' ') )
|
|
{
|
|
cursorPos++;
|
|
}
|
|
return cursorPos;
|
|
}
|
|
|
|
|
|
BOOL LLLineEditor::handleSelectionKey(KEY key, MASK mask)
|
|
{
|
|
BOOL handled = FALSE;
|
|
|
|
if( mask & MASK_SHIFT )
|
|
{
|
|
handled = TRUE;
|
|
|
|
switch( key )
|
|
{
|
|
case KEY_LEFT:
|
|
if( 0 < getCursor() )
|
|
{
|
|
S32 cursorPos = getCursor() - 1;
|
|
if( mask & MASK_CONTROL )
|
|
{
|
|
cursorPos = prevWordPos(cursorPos);
|
|
}
|
|
extendSelection( cursorPos );
|
|
}
|
|
else
|
|
{
|
|
reportBadKeystroke();
|
|
}
|
|
break;
|
|
|
|
case KEY_RIGHT:
|
|
if( getCursor() < mText.length())
|
|
{
|
|
S32 cursorPos = getCursor() + 1;
|
|
if( mask & MASK_CONTROL )
|
|
{
|
|
cursorPos = nextWordPos(cursorPos);
|
|
}
|
|
extendSelection( cursorPos );
|
|
}
|
|
else
|
|
{
|
|
reportBadKeystroke();
|
|
}
|
|
break;
|
|
|
|
case KEY_PAGE_UP:
|
|
case KEY_HOME:
|
|
extendSelection( 0 );
|
|
break;
|
|
|
|
case KEY_PAGE_DOWN:
|
|
case KEY_END:
|
|
{
|
|
S32 len = mText.length();
|
|
if( len )
|
|
{
|
|
extendSelection( len );
|
|
}
|
|
break;
|
|
}
|
|
|
|
default:
|
|
handled = FALSE;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!handled && mHandleEditKeysDirectly)
|
|
{
|
|
if( (MASK_CONTROL & mask) && ('A' == key) )
|
|
{
|
|
if( canSelectAll() )
|
|
{
|
|
selectAll();
|
|
}
|
|
else
|
|
{
|
|
reportBadKeystroke();
|
|
}
|
|
handled = TRUE;
|
|
}
|
|
}
|
|
|
|
if(handled)
|
|
{
|
|
// take selection to 'primary' clipboard
|
|
updatePrimary();
|
|
}
|
|
|
|
return handled;
|
|
}
|
|
|
|
void LLLineEditor::deleteSelection()
|
|
{
|
|
if( !mReadOnly && hasSelection() )
|
|
{
|
|
S32 left_pos = llmin( mSelectionStart, mSelectionEnd );
|
|
S32 selection_length = llabs( mSelectionStart - mSelectionEnd );
|
|
|
|
mText.erase(left_pos, selection_length);
|
|
deselect();
|
|
setCursor(left_pos);
|
|
}
|
|
}
|
|
|
|
BOOL LLLineEditor::canCut() const
|
|
{
|
|
return !mReadOnly && !mDrawAsterixes && hasSelection();
|
|
}
|
|
|
|
// cut selection to clipboard
|
|
void LLLineEditor::cut()
|
|
{
|
|
if( canCut() )
|
|
{
|
|
// Prepare for possible rollback
|
|
LLLineEditorRollback rollback( this );
|
|
|
|
|
|
S32 left_pos = llmin( mSelectionStart, mSelectionEnd );
|
|
S32 length = llabs( mSelectionStart - mSelectionEnd );
|
|
gClipboard.copyFromSubstring( mText.getWString(), left_pos, length );
|
|
deleteSelection();
|
|
|
|
// Validate new string and rollback the if needed.
|
|
BOOL need_to_rollback = ( mPrevalidateFunc && !mPrevalidateFunc( mText.getWString() ) );
|
|
if( need_to_rollback )
|
|
{
|
|
rollback.doRollback( this );
|
|
reportBadKeystroke();
|
|
}
|
|
else
|
|
if( mKeystrokeCallback )
|
|
{
|
|
mKeystrokeCallback( this );
|
|
}
|
|
}
|
|
}
|
|
|
|
BOOL LLLineEditor::canCopy() const
|
|
{
|
|
return !mDrawAsterixes && hasSelection();
|
|
}
|
|
|
|
|
|
// copy selection to clipboard
|
|
void LLLineEditor::copy()
|
|
{
|
|
if( canCopy() )
|
|
{
|
|
S32 left_pos = llmin( mSelectionStart, mSelectionEnd );
|
|
S32 length = llabs( mSelectionStart - mSelectionEnd );
|
|
gClipboard.copyFromSubstring( mText.getWString(), left_pos, length );
|
|
}
|
|
}
|
|
|
|
BOOL LLLineEditor::canPaste() const
|
|
{
|
|
return !mReadOnly && gClipboard.canPasteString();
|
|
}
|
|
|
|
void LLLineEditor::paste()
|
|
{
|
|
bool is_primary = false;
|
|
pasteHelper(is_primary);
|
|
}
|
|
|
|
void LLLineEditor::pastePrimary()
|
|
{
|
|
bool is_primary = true;
|
|
pasteHelper(is_primary);
|
|
}
|
|
|
|
// paste from primary (is_primary==true) or clipboard (is_primary==false)
|
|
void LLLineEditor::pasteHelper(bool is_primary)
|
|
{
|
|
bool can_paste_it;
|
|
if (is_primary)
|
|
{
|
|
can_paste_it = canPastePrimary();
|
|
}
|
|
else
|
|
{
|
|
can_paste_it = canPaste();
|
|
}
|
|
|
|
if (can_paste_it)
|
|
{
|
|
LLWString paste;
|
|
if (is_primary)
|
|
{
|
|
paste = gClipboard.getPastePrimaryWString();
|
|
}
|
|
else
|
|
{
|
|
paste = gClipboard.getPasteWString();
|
|
}
|
|
|
|
if (!paste.empty())
|
|
{
|
|
// Prepare for possible rollback
|
|
LLLineEditorRollback rollback(this);
|
|
|
|
// Delete any selected characters
|
|
if ((!is_primary) && hasSelection())
|
|
{
|
|
deleteSelection();
|
|
}
|
|
|
|
// Clean up string (replace tabs and returns and remove characters that our fonts don't support.)
|
|
LLWString clean_string(paste);
|
|
LLWStringUtil::replaceTabsWithSpaces(clean_string, 1);
|
|
//clean_string = wstring_detabify(paste, 1);
|
|
LLWStringUtil::replaceChar(clean_string, '\n', mReplaceNewlinesWithSpaces ? ' ' : 182); // 182 == paragraph character
|
|
|
|
// Insert the string
|
|
|
|
// Check to see that the size isn't going to be larger than the max number of bytes
|
|
U32 available_bytes = mMaxLengthBytes - wstring_utf8_length(mText);
|
|
|
|
if ( available_bytes < (U32) wstring_utf8_length(clean_string) )
|
|
{ // Doesn't all fit
|
|
llwchar current_symbol = clean_string[0];
|
|
U32 wchars_that_fit = 0;
|
|
U32 total_bytes = wchar_utf8_length(current_symbol);
|
|
|
|
//loop over the "wide" characters (symbols)
|
|
//and check to see how large (in bytes) each symbol is.
|
|
while ( total_bytes <= available_bytes )
|
|
{
|
|
//while we still have available bytes
|
|
//"accept" the current symbol and check the size
|
|
//of the next one
|
|
current_symbol = clean_string[++wchars_that_fit];
|
|
total_bytes += wchar_utf8_length(current_symbol);
|
|
}
|
|
// Truncate the clean string at the limit of what will fit
|
|
clean_string = clean_string.substr(0, wchars_that_fit);
|
|
reportBadKeystroke();
|
|
}
|
|
|
|
mText.insert(getCursor(), clean_string);
|
|
setCursor( getCursor() + (S32)clean_string.length() );
|
|
deselect();
|
|
|
|
// Validate new string and rollback the if needed.
|
|
BOOL need_to_rollback = ( mPrevalidateFunc && !mPrevalidateFunc( mText.getWString() ) );
|
|
if( need_to_rollback )
|
|
{
|
|
rollback.doRollback( this );
|
|
reportBadKeystroke();
|
|
}
|
|
else
|
|
if( mKeystrokeCallback )
|
|
{
|
|
mKeystrokeCallback( this );
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// copy selection to primary
|
|
void LLLineEditor::copyPrimary()
|
|
{
|
|
if( canCopy() )
|
|
{
|
|
S32 left_pos = llmin( mSelectionStart, mSelectionEnd );
|
|
S32 length = llabs( mSelectionStart - mSelectionEnd );
|
|
gClipboard.copyFromPrimarySubstring( mText.getWString(), left_pos, length );
|
|
}
|
|
}
|
|
|
|
BOOL LLLineEditor::canPastePrimary() const
|
|
{
|
|
return !mReadOnly && gClipboard.canPastePrimaryString();
|
|
}
|
|
|
|
void LLLineEditor::updatePrimary()
|
|
{
|
|
if(canCopy() )
|
|
{
|
|
copyPrimary();
|
|
}
|
|
}
|
|
|
|
BOOL LLLineEditor::handleSpecialKey(KEY key, MASK mask)
|
|
{
|
|
BOOL handled = FALSE;
|
|
|
|
switch( key )
|
|
{
|
|
case KEY_INSERT:
|
|
if (mask == MASK_NONE)
|
|
{
|
|
gKeyboard->toggleInsertMode();
|
|
}
|
|
|
|
handled = TRUE;
|
|
break;
|
|
|
|
case KEY_BACKSPACE:
|
|
if (!mReadOnly)
|
|
{
|
|
//llinfos << "Handling backspace" << llendl;
|
|
if( hasSelection() )
|
|
{
|
|
deleteSelection();
|
|
}
|
|
else
|
|
if( 0 < getCursor() )
|
|
{
|
|
removeChar();
|
|
}
|
|
else
|
|
{
|
|
reportBadKeystroke();
|
|
}
|
|
}
|
|
handled = TRUE;
|
|
break;
|
|
|
|
case KEY_PAGE_UP:
|
|
case KEY_HOME:
|
|
if (!mIgnoreArrowKeys)
|
|
{
|
|
setCursor(0);
|
|
handled = TRUE;
|
|
}
|
|
break;
|
|
|
|
case KEY_PAGE_DOWN:
|
|
case KEY_END:
|
|
if (!mIgnoreArrowKeys)
|
|
{
|
|
S32 len = mText.length();
|
|
if( len )
|
|
{
|
|
setCursor(len);
|
|
}
|
|
handled = TRUE;
|
|
}
|
|
break;
|
|
|
|
case KEY_LEFT:
|
|
if (mIgnoreArrowKeys && mask == MASK_NONE)
|
|
break;
|
|
if ((mask & MASK_ALT) == 0)
|
|
{
|
|
if( hasSelection() )
|
|
{
|
|
setCursor(llmin( getCursor() - 1, mSelectionStart, mSelectionEnd ));
|
|
}
|
|
else
|
|
if( 0 < getCursor() )
|
|
{
|
|
S32 cursorPos = getCursor() - 1;
|
|
if( mask & MASK_CONTROL )
|
|
{
|
|
cursorPos = prevWordPos(cursorPos);
|
|
}
|
|
setCursor(cursorPos);
|
|
}
|
|
else
|
|
{
|
|
reportBadKeystroke();
|
|
}
|
|
handled = TRUE;
|
|
}
|
|
break;
|
|
|
|
case KEY_RIGHT:
|
|
if (mIgnoreArrowKeys && mask == MASK_NONE)
|
|
break;
|
|
if ((mask & MASK_ALT) == 0)
|
|
{
|
|
if (hasSelection())
|
|
{
|
|
setCursor(llmax(getCursor() + 1, mSelectionStart, mSelectionEnd));
|
|
}
|
|
else
|
|
if (getCursor() < mText.length())
|
|
{
|
|
S32 cursorPos = getCursor() + 1;
|
|
if( mask & MASK_CONTROL )
|
|
{
|
|
cursorPos = nextWordPos(cursorPos);
|
|
}
|
|
setCursor(cursorPos);
|
|
}
|
|
else
|
|
{
|
|
reportBadKeystroke();
|
|
}
|
|
handled = TRUE;
|
|
}
|
|
break;
|
|
|
|
// handle ctrl-uparrow if we have a history enabled line editor.
|
|
case KEY_UP:
|
|
if( mHaveHistory && ( MASK_CONTROL == mask ) )
|
|
{
|
|
if( mCurrentHistoryLine > 0 )
|
|
{
|
|
mText.assign( mLineHistory[ --mCurrentHistoryLine ] );
|
|
setCursor(llmin((S32)mText.length(), getCursor()));
|
|
}
|
|
else
|
|
{
|
|
reportBadKeystroke();
|
|
}
|
|
handled = TRUE;
|
|
}
|
|
break;
|
|
|
|
// handle ctrl-downarrow if we have a history enabled line editor
|
|
case KEY_DOWN:
|
|
if( mHaveHistory && ( MASK_CONTROL == mask ) )
|
|
{
|
|
if( !mLineHistory.empty() && mCurrentHistoryLine < mLineHistory.size() - 1 )
|
|
{
|
|
mText.assign( mLineHistory[ ++mCurrentHistoryLine ] );
|
|
setCursor(llmin((S32)mText.length(), getCursor()));
|
|
}
|
|
else
|
|
{
|
|
reportBadKeystroke();
|
|
}
|
|
handled = TRUE;
|
|
}
|
|
break;
|
|
|
|
case KEY_RETURN:
|
|
// store sent line in history
|
|
updateHistory();
|
|
break;
|
|
|
|
case KEY_ESCAPE:
|
|
if (mRevertOnEsc && mText.getString() != mPrevText)
|
|
{
|
|
setText(mPrevText);
|
|
// Note, don't set handled, still want to loose focus (won't commit becase text is now unchanged)
|
|
}
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
if( !handled && mHandleEditKeysDirectly )
|
|
{
|
|
// Standard edit keys (Ctrl-X, Delete, etc,) are handled here instead of routed by the menu system.
|
|
if( KEY_DELETE == key )
|
|
{
|
|
if( canDoDelete() )
|
|
{
|
|
doDelete();
|
|
}
|
|
else
|
|
{
|
|
reportBadKeystroke();
|
|
}
|
|
handled = TRUE;
|
|
}
|
|
else
|
|
if( MASK_CONTROL & mask )
|
|
{
|
|
if( 'C' == key )
|
|
{
|
|
if( canCopy() )
|
|
{
|
|
copy();
|
|
}
|
|
else
|
|
{
|
|
reportBadKeystroke();
|
|
}
|
|
handled = TRUE;
|
|
}
|
|
else
|
|
if( 'V' == key )
|
|
{
|
|
if( canPaste() )
|
|
{
|
|
paste();
|
|
}
|
|
else
|
|
{
|
|
reportBadKeystroke();
|
|
}
|
|
handled = TRUE;
|
|
}
|
|
else
|
|
if( 'X' == key )
|
|
{
|
|
if( canCut() )
|
|
{
|
|
cut();
|
|
}
|
|
else
|
|
{
|
|
reportBadKeystroke();
|
|
}
|
|
handled = TRUE;
|
|
}
|
|
}
|
|
}
|
|
return handled;
|
|
}
|
|
|
|
|
|
BOOL LLLineEditor::handleKeyHere(KEY key, MASK mask )
|
|
{
|
|
BOOL handled = FALSE;
|
|
BOOL selection_modified = FALSE;
|
|
|
|
if ( gFocusMgr.getKeyboardFocus() == this )
|
|
{
|
|
LLLineEditorRollback rollback( this );
|
|
|
|
if( !handled )
|
|
{
|
|
handled = handleSelectionKey( key, mask );
|
|
selection_modified = handled;
|
|
}
|
|
|
|
// Handle most keys only if the text editor is writeable.
|
|
if ( !mReadOnly )
|
|
{
|
|
if( !handled )
|
|
{
|
|
handled = handleSpecialKey( key, mask );
|
|
}
|
|
}
|
|
|
|
if( handled )
|
|
{
|
|
mKeystrokeTimer.reset();
|
|
|
|
// Most keystrokes will make the selection box go away, but not all will.
|
|
if( !selection_modified &&
|
|
KEY_SHIFT != key &&
|
|
KEY_CONTROL != key &&
|
|
KEY_ALT != key &&
|
|
KEY_CAPSLOCK )
|
|
{
|
|
deselect();
|
|
}
|
|
|
|
BOOL need_to_rollback = FALSE;
|
|
|
|
// If read-only, don't allow changes
|
|
need_to_rollback |= (mReadOnly && (mText.getString() == rollback.getText()));
|
|
|
|
// Validate new string and rollback the keystroke if needed.
|
|
need_to_rollback |= (mPrevalidateFunc && !mPrevalidateFunc(mText.getWString()));
|
|
|
|
if (need_to_rollback)
|
|
{
|
|
rollback.doRollback(this);
|
|
|
|
reportBadKeystroke();
|
|
}
|
|
|
|
// Notify owner if requested
|
|
if (!need_to_rollback && handled)
|
|
{
|
|
if (mKeystrokeCallback)
|
|
{
|
|
mKeystrokeCallback(this);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return handled;
|
|
}
|
|
|
|
|
|
BOOL LLLineEditor::handleUnicodeCharHere(llwchar uni_char)
|
|
{
|
|
if ((uni_char < 0x20) || (uni_char == 0x7F)) // Control character or DEL
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
BOOL handled = FALSE;
|
|
|
|
if ( (gFocusMgr.getKeyboardFocus() == this) && getVisible() && !mReadOnly)
|
|
{
|
|
handled = TRUE;
|
|
|
|
LLLineEditorRollback rollback( this );
|
|
|
|
addChar(uni_char);
|
|
|
|
mKeystrokeTimer.reset();
|
|
|
|
deselect();
|
|
|
|
BOOL need_to_rollback = FALSE;
|
|
|
|
// Validate new string and rollback the keystroke if needed.
|
|
need_to_rollback |= ( mPrevalidateFunc && !mPrevalidateFunc( mText.getWString() ) );
|
|
|
|
if( need_to_rollback )
|
|
{
|
|
rollback.doRollback( this );
|
|
|
|
reportBadKeystroke();
|
|
}
|
|
|
|
// Notify owner if requested
|
|
if( !need_to_rollback && handled )
|
|
{
|
|
if( mKeystrokeCallback )
|
|
{
|
|
// HACK! The only usage of this callback doesn't do anything with the character.
|
|
// We'll have to do something about this if something ever changes! - Doug
|
|
mKeystrokeCallback( this );
|
|
}
|
|
}
|
|
}
|
|
return handled;
|
|
}
|
|
|
|
|
|
BOOL LLLineEditor::canDoDelete() const
|
|
{
|
|
return ( !mReadOnly && (!mPassDelete || (hasSelection() || (getCursor() < mText.length()))) );
|
|
}
|
|
|
|
void LLLineEditor::doDelete()
|
|
{
|
|
if (canDoDelete())
|
|
{
|
|
// Prepare for possible rollback
|
|
LLLineEditorRollback rollback( this );
|
|
|
|
if (hasSelection())
|
|
{
|
|
deleteSelection();
|
|
}
|
|
else if ( getCursor() < mText.length())
|
|
{
|
|
setCursor(getCursor() + 1);
|
|
removeChar();
|
|
}
|
|
|
|
// Validate new string and rollback the if needed.
|
|
BOOL need_to_rollback = ( mPrevalidateFunc && !mPrevalidateFunc( mText.getWString() ) );
|
|
if( need_to_rollback )
|
|
{
|
|
rollback.doRollback( this );
|
|
reportBadKeystroke();
|
|
}
|
|
else
|
|
{
|
|
if( mKeystrokeCallback )
|
|
{
|
|
mKeystrokeCallback( this );
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
void LLLineEditor::drawBackground()
|
|
{
|
|
bool has_focus = hasFocus();
|
|
LLUIImage* image;
|
|
if ( mReadOnly )
|
|
{
|
|
image = mBgImageDisabled;
|
|
}
|
|
else if ( has_focus )
|
|
{
|
|
image = mBgImageFocused;
|
|
}
|
|
else
|
|
{
|
|
image = mBgImage;
|
|
}
|
|
|
|
// optionally draw programmatic border
|
|
if (has_focus)
|
|
{
|
|
image->drawBorder(0, 0, getRect().getWidth(), getRect().getHeight(),
|
|
gFocusMgr.getFocusColor(),
|
|
gFocusMgr.getFocusFlashWidth());
|
|
}
|
|
image->draw(getLocalRect());
|
|
}
|
|
|
|
void LLLineEditor::draw()
|
|
{
|
|
S32 text_len = mText.length();
|
|
static LLUICachedControl<S32> lineeditor_cursor_thickness ("UILineEditorCursorThickness", 0);
|
|
static LLUICachedControl<S32> lineeditor_v_pad ("UILineEditorVPad", 0);
|
|
static LLUICachedControl<F32> preedit_marker_brightness ("UIPreeditMarkerBrightness", 0);
|
|
static LLUICachedControl<S32> preedit_marker_gap ("UIPreeditMarkerGap", 0);
|
|
static LLUICachedControl<S32> preedit_marker_position ("UIPreeditMarkerPosition", 0);
|
|
static LLUICachedControl<S32> preedit_marker_thickness ("UIPreeditMarkerThickness", 0);
|
|
static LLUICachedControl<F32> preedit_standout_brightness ("UIPreeditStandoutBrightness", 0);
|
|
static LLUICachedControl<S32> preedit_standout_gap ("UIPreeditStandoutGap", 0);
|
|
static LLUICachedControl<S32> preedit_standout_position ("UIPreeditStandoutPosition", 0);
|
|
static LLUICachedControl<S32> preedit_standout_thickness ("UIPreeditStandoutThickness", 0);
|
|
|
|
std::string saved_text;
|
|
if (mDrawAsterixes)
|
|
{
|
|
saved_text = mText.getString();
|
|
std::string text;
|
|
for (S32 i = 0; i < mText.length(); i++)
|
|
{
|
|
text += '*';
|
|
}
|
|
mText = text;
|
|
}
|
|
|
|
// draw rectangle for the background
|
|
LLRect background( 0, getRect().getHeight(), getRect().getWidth(), 0 );
|
|
background.stretch( -mBorderThickness );
|
|
|
|
drawBackground();
|
|
|
|
// draw text
|
|
|
|
// With viewer-2 art files, input region is 2 pixels up
|
|
S32 cursor_bottom = background.mBottom + 2;
|
|
S32 cursor_top = background.mTop - 1;
|
|
|
|
LLColor4 text_color;
|
|
if (!mReadOnly)
|
|
{
|
|
if (!getTentative())
|
|
{
|
|
text_color = mFgColor.get();
|
|
}
|
|
else
|
|
{
|
|
text_color = mTentativeFgColor.get();
|
|
}
|
|
}
|
|
else
|
|
{
|
|
text_color = mReadOnlyFgColor.get();
|
|
}
|
|
LLColor4 label_color = mTentativeFgColor.get();
|
|
|
|
if (hasPreeditString())
|
|
{
|
|
// Draw preedit markers. This needs to be before drawing letters.
|
|
for (U32 i = 0; i < mPreeditStandouts.size(); i++)
|
|
{
|
|
const S32 preedit_left = mPreeditPositions[i];
|
|
const S32 preedit_right = mPreeditPositions[i + 1];
|
|
if (preedit_right > mScrollHPos)
|
|
{
|
|
S32 preedit_pixels_left = findPixelNearestPos(llmax(preedit_left, mScrollHPos) - getCursor());
|
|
S32 preedit_pixels_right = llmin(findPixelNearestPos(preedit_right - getCursor()), background.mRight);
|
|
if (preedit_pixels_left >= background.mRight)
|
|
{
|
|
break;
|
|
}
|
|
if (mPreeditStandouts[i])
|
|
{
|
|
gl_rect_2d(preedit_pixels_left + preedit_standout_gap,
|
|
background.mBottom + preedit_standout_position,
|
|
preedit_pixels_right - preedit_standout_gap - 1,
|
|
background.mBottom + preedit_standout_position - preedit_standout_thickness,
|
|
(text_color * preedit_standout_brightness
|
|
+ mPreeditBgColor * (1 - preedit_standout_brightness)).setAlpha(1.0f));
|
|
}
|
|
else
|
|
{
|
|
gl_rect_2d(preedit_pixels_left + preedit_marker_gap,
|
|
background.mBottom + preedit_marker_position,
|
|
preedit_pixels_right - preedit_marker_gap - 1,
|
|
background.mBottom + preedit_marker_position - preedit_marker_thickness,
|
|
(text_color * preedit_marker_brightness
|
|
+ mPreeditBgColor * (1 - preedit_marker_brightness)).setAlpha(1.0f));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
S32 rendered_text = 0;
|
|
F32 rendered_pixels_right = (F32)mMinHPixels;
|
|
F32 text_bottom = (F32)background.mBottom + (F32)lineeditor_v_pad;
|
|
|
|
if( (gFocusMgr.getKeyboardFocus() == this) && hasSelection() )
|
|
{
|
|
S32 select_left;
|
|
S32 select_right;
|
|
if( mSelectionStart < getCursor() )
|
|
{
|
|
select_left = mSelectionStart;
|
|
select_right = getCursor();
|
|
}
|
|
else
|
|
{
|
|
select_left = getCursor();
|
|
select_right = mSelectionStart;
|
|
}
|
|
|
|
if( select_left > mScrollHPos )
|
|
{
|
|
// unselected, left side
|
|
rendered_text = mGLFont->render(
|
|
mText, mScrollHPos,
|
|
rendered_pixels_right, text_bottom,
|
|
text_color,
|
|
LLFontGL::LEFT, LLFontGL::BOTTOM,
|
|
0,
|
|
LLFontGL::NO_SHADOW,
|
|
select_left - mScrollHPos,
|
|
mMaxHPixels - llround(rendered_pixels_right),
|
|
&rendered_pixels_right);
|
|
}
|
|
|
|
if( (rendered_pixels_right < (F32)mMaxHPixels) && (rendered_text < text_len) )
|
|
{
|
|
LLColor4 color = mHighlightColor;
|
|
// selected middle
|
|
S32 width = mGLFont->getWidth(mText.getWString().c_str(), mScrollHPos + rendered_text, select_right - mScrollHPos - rendered_text);
|
|
width = llmin(width, mMaxHPixels - llround(rendered_pixels_right));
|
|
gl_rect_2d(llround(rendered_pixels_right), cursor_top, llround(rendered_pixels_right)+width, cursor_bottom, color);
|
|
|
|
rendered_text += mGLFont->render(
|
|
mText, mScrollHPos + rendered_text,
|
|
rendered_pixels_right, text_bottom,
|
|
LLColor4( 1.f - text_color.mV[0], 1.f - text_color.mV[1], 1.f - text_color.mV[2], 1 ),
|
|
LLFontGL::LEFT, LLFontGL::BOTTOM,
|
|
0,
|
|
LLFontGL::NO_SHADOW,
|
|
select_right - mScrollHPos - rendered_text,
|
|
mMaxHPixels - llround(rendered_pixels_right),
|
|
&rendered_pixels_right);
|
|
}
|
|
|
|
if( (rendered_pixels_right < (F32)mMaxHPixels) && (rendered_text < text_len) )
|
|
{
|
|
// unselected, right side
|
|
mGLFont->render(
|
|
mText, mScrollHPos + rendered_text,
|
|
rendered_pixels_right, text_bottom,
|
|
text_color,
|
|
LLFontGL::LEFT, LLFontGL::BOTTOM,
|
|
0,
|
|
LLFontGL::NO_SHADOW,
|
|
S32_MAX,
|
|
mMaxHPixels - llround(rendered_pixels_right),
|
|
&rendered_pixels_right);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
mGLFont->render(
|
|
mText, mScrollHPos,
|
|
rendered_pixels_right, text_bottom,
|
|
text_color,
|
|
LLFontGL::LEFT, LLFontGL::BOTTOM,
|
|
0,
|
|
LLFontGL::NO_SHADOW,
|
|
S32_MAX,
|
|
mMaxHPixels - llround(rendered_pixels_right),
|
|
&rendered_pixels_right);
|
|
}
|
|
#if 1 // for when we're ready for image art.
|
|
mBorder->setVisible(FALSE); // no more programmatic art.
|
|
#endif
|
|
|
|
// If we're editing...
|
|
if( gFocusMgr.getKeyboardFocus() == this)
|
|
{
|
|
//mBorder->setVisible(TRUE); // ok, programmer art just this once.
|
|
// (Flash the cursor every half second)
|
|
if (gShowTextEditCursor && !mReadOnly)
|
|
{
|
|
F32 elapsed = mKeystrokeTimer.getElapsedTimeF32();
|
|
if( (elapsed < CURSOR_FLASH_DELAY ) || (S32(elapsed * 2) & 1) )
|
|
{
|
|
S32 cursor_left = findPixelNearestPos();
|
|
cursor_left -= lineeditor_cursor_thickness / 2;
|
|
S32 cursor_right = cursor_left + lineeditor_cursor_thickness;
|
|
if (LL_KIM_OVERWRITE == gKeyboard->getInsertMode() && !hasSelection())
|
|
{
|
|
const LLWString space(utf8str_to_wstring(std::string(" ")));
|
|
S32 wswidth = mGLFont->getWidth(space.c_str());
|
|
S32 width = mGLFont->getWidth(mText.getWString().c_str(), getCursor(), 1) + 1;
|
|
cursor_right = cursor_left + llmax(wswidth, width);
|
|
}
|
|
// Use same color as text for the Cursor
|
|
gl_rect_2d(cursor_left, cursor_top,
|
|
cursor_right, cursor_bottom, text_color);
|
|
if (LL_KIM_OVERWRITE == gKeyboard->getInsertMode() && !hasSelection())
|
|
{
|
|
mGLFont->render(mText, getCursor(), (F32)(cursor_left + lineeditor_cursor_thickness / 2), text_bottom,
|
|
LLColor4( 1.f - text_color.mV[0], 1.f - text_color.mV[1], 1.f - text_color.mV[2], 1 ),
|
|
LLFontGL::LEFT, LLFontGL::BOTTOM,
|
|
0,
|
|
LLFontGL::NO_SHADOW,
|
|
1);
|
|
}
|
|
|
|
// Make sure the IME is in the right place
|
|
S32 pixels_after_scroll = findPixelNearestPos(); // RCalculcate for IME position
|
|
LLRect screen_pos = calcScreenRect();
|
|
LLCoordGL ime_pos( screen_pos.mLeft + pixels_after_scroll, screen_pos.mTop - lineeditor_v_pad );
|
|
|
|
ime_pos.mX = (S32) (ime_pos.mX * LLUI::sGLScaleFactor.mV[VX]);
|
|
ime_pos.mY = (S32) (ime_pos.mY * LLUI::sGLScaleFactor.mV[VY]);
|
|
getWindow()->setLanguageTextInput( ime_pos );
|
|
}
|
|
}
|
|
|
|
//draw label if no text is provided
|
|
//but we should draw it in a different color
|
|
//to give indication that it is not text you typed in
|
|
if (0 == mText.length() && mReadOnly)
|
|
{
|
|
mGLFont->render(mLabel.getWString(), 0,
|
|
mMinHPixels, (F32)text_bottom,
|
|
label_color,
|
|
LLFontGL::LEFT,
|
|
LLFontGL::BOTTOM,
|
|
0,
|
|
LLFontGL::NO_SHADOW,
|
|
S32_MAX,
|
|
mMaxHPixels - llround(rendered_pixels_right),
|
|
&rendered_pixels_right, FALSE);
|
|
}
|
|
|
|
|
|
// Draw children (border)
|
|
//mBorder->setVisible(TRUE);
|
|
mBorder->setKeyboardFocusHighlight( TRUE );
|
|
LLView::draw();
|
|
mBorder->setKeyboardFocusHighlight( FALSE );
|
|
//mBorder->setVisible(FALSE);
|
|
}
|
|
else // does not have keyboard input
|
|
{
|
|
// draw label if no text provided
|
|
if (0 == mText.length())
|
|
{
|
|
mGLFont->render(mLabel.getWString(), 0,
|
|
mMinHPixels, (F32)text_bottom,
|
|
label_color,
|
|
LLFontGL::LEFT,
|
|
LLFontGL::BOTTOM,
|
|
0,
|
|
LLFontGL::NO_SHADOW,
|
|
S32_MAX,
|
|
mMaxHPixels - llround(rendered_pixels_right),
|
|
&rendered_pixels_right, FALSE);
|
|
}
|
|
// Draw children (border)
|
|
LLView::draw();
|
|
}
|
|
|
|
if (mDrawAsterixes)
|
|
{
|
|
mText = saved_text;
|
|
}
|
|
}
|
|
|
|
|
|
// Returns the local screen space X coordinate associated with the text cursor position.
|
|
S32 LLLineEditor::findPixelNearestPos(const S32 cursor_offset) const
|
|
{
|
|
S32 dpos = getCursor() - mScrollHPos + cursor_offset;
|
|
S32 result = mGLFont->getWidth(mText.getWString().c_str(), mScrollHPos, dpos) + mMinHPixels;
|
|
return result;
|
|
}
|
|
|
|
void LLLineEditor::reportBadKeystroke()
|
|
{
|
|
make_ui_sound("UISndBadKeystroke");
|
|
}
|
|
|
|
//virtual
|
|
void LLLineEditor::clear()
|
|
{
|
|
mText.clear();
|
|
setCursor(0);
|
|
}
|
|
|
|
//virtual
|
|
void LLLineEditor::onTabInto()
|
|
{
|
|
selectAll();
|
|
}
|
|
|
|
//virtual
|
|
BOOL LLLineEditor::acceptsTextInput() const
|
|
{
|
|
return TRUE;
|
|
}
|
|
|
|
// Start or stop the editor from accepting text-editing keystrokes
|
|
void LLLineEditor::setFocus( BOOL new_state )
|
|
{
|
|
BOOL old_state = hasFocus();
|
|
|
|
if (!new_state)
|
|
{
|
|
getWindow()->allowLanguageTextInput(this, FALSE);
|
|
}
|
|
|
|
|
|
// getting focus when we didn't have it before, and we want to select all
|
|
if (!old_state && new_state && mSelectAllonFocusReceived)
|
|
{
|
|
selectAll();
|
|
// We don't want handleMouseUp() to "finish" the selection (and thereby
|
|
// set mSelectionEnd to where the mouse is), so we finish the selection
|
|
// here.
|
|
mIsSelecting = FALSE;
|
|
}
|
|
|
|
if( new_state )
|
|
{
|
|
gEditMenuHandler = this;
|
|
|
|
// Don't start the cursor flashing right away
|
|
mKeystrokeTimer.reset();
|
|
}
|
|
else
|
|
{
|
|
// Not really needed, since loss of keyboard focus should take care of this,
|
|
// but limited paranoia is ok.
|
|
if( gEditMenuHandler == this )
|
|
{
|
|
gEditMenuHandler = NULL;
|
|
}
|
|
|
|
endSelection();
|
|
}
|
|
|
|
LLUICtrl::setFocus( new_state );
|
|
|
|
if (new_state)
|
|
{
|
|
// Allow Language Text Input only when this LineEditor has
|
|
// no prevalidate function attached. This criterion works
|
|
// fine on 1.15.0.2, since all prevalidate func reject any
|
|
// non-ASCII characters. I'm not sure on future versions,
|
|
// however.
|
|
getWindow()->allowLanguageTextInput(this, mPrevalidateFunc == NULL);
|
|
}
|
|
}
|
|
|
|
//virtual
|
|
void LLLineEditor::setRect(const LLRect& rect)
|
|
{
|
|
LLUICtrl::setRect(rect);
|
|
if (mBorder)
|
|
{
|
|
LLRect border_rect = mBorder->getRect();
|
|
// Scalable UI somehow made these rectangles off-by-one.
|
|
// I don't know why. JC
|
|
border_rect.setOriginAndSize(border_rect.mLeft, border_rect.mBottom,
|
|
rect.getWidth()-1, rect.getHeight()-1);
|
|
mBorder->setRect(border_rect);
|
|
}
|
|
}
|
|
|
|
void LLLineEditor::setPrevalidate(LLLinePrevalidateFunc func)
|
|
{
|
|
mPrevalidateFunc = func;
|
|
updateAllowingLanguageInput();
|
|
}
|
|
|
|
// Limits what characters can be used to [1234567890.-] with [-] only valid in the first position.
|
|
// Does NOT ensure that the string is a well-formed number--that's the job of post-validation--for
|
|
// the simple reasons that intermediate states may be invalid even if the final result is valid.
|
|
//
|
|
// static
|
|
BOOL LLLineEditor::prevalidateFloat(const LLWString &str)
|
|
{
|
|
LLLocale locale(LLLocale::USER_LOCALE);
|
|
|
|
BOOL success = TRUE;
|
|
LLWString trimmed = str;
|
|
LLWStringUtil::trim(trimmed);
|
|
S32 len = trimmed.length();
|
|
if( 0 < len )
|
|
{
|
|
// May be a comma or period, depending on the locale
|
|
llwchar decimal_point = (llwchar)LLResMgr::getInstance()->getDecimalPoint();
|
|
|
|
S32 i = 0;
|
|
|
|
// First character can be a negative sign
|
|
if( '-' == trimmed[0] )
|
|
{
|
|
i++;
|
|
}
|
|
|
|
for( ; i < len; i++ )
|
|
{
|
|
if( (decimal_point != trimmed[i] ) && !LLStringOps::isDigit( trimmed[i] ) )
|
|
{
|
|
success = FALSE;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
return success;
|
|
}
|
|
|
|
// static
|
|
BOOL LLLineEditor::postvalidateFloat(const std::string &str)
|
|
{
|
|
LLLocale locale(LLLocale::USER_LOCALE);
|
|
|
|
BOOL success = TRUE;
|
|
BOOL has_decimal = FALSE;
|
|
BOOL has_digit = FALSE;
|
|
|
|
LLWString trimmed = utf8str_to_wstring(str);
|
|
LLWStringUtil::trim(trimmed);
|
|
S32 len = trimmed.length();
|
|
if( 0 < len )
|
|
{
|
|
S32 i = 0;
|
|
|
|
// First character can be a negative sign
|
|
if( '-' == trimmed[0] )
|
|
{
|
|
i++;
|
|
}
|
|
|
|
// May be a comma or period, depending on the locale
|
|
llwchar decimal_point = (llwchar)LLResMgr::getInstance()->getDecimalPoint();
|
|
|
|
for( ; i < len; i++ )
|
|
{
|
|
if( decimal_point == trimmed[i] )
|
|
{
|
|
if( has_decimal )
|
|
{
|
|
// can't have two
|
|
success = FALSE;
|
|
break;
|
|
}
|
|
else
|
|
{
|
|
has_decimal = TRUE;
|
|
}
|
|
}
|
|
else
|
|
if( LLStringOps::isDigit( trimmed[i] ) )
|
|
{
|
|
has_digit = TRUE;
|
|
}
|
|
else
|
|
{
|
|
success = FALSE;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Gotta have at least one
|
|
success = has_digit;
|
|
|
|
return success;
|
|
}
|
|
|
|
// Limits what characters can be used to [1234567890-] with [-] only valid in the first position.
|
|
// Does NOT ensure that the string is a well-formed number--that's the job of post-validation--for
|
|
// the simple reasons that intermediate states may be invalid even if the final result is valid.
|
|
//
|
|
// static
|
|
BOOL LLLineEditor::prevalidateInt(const LLWString &str)
|
|
{
|
|
LLLocale locale(LLLocale::USER_LOCALE);
|
|
|
|
BOOL success = TRUE;
|
|
LLWString trimmed = str;
|
|
LLWStringUtil::trim(trimmed);
|
|
S32 len = trimmed.length();
|
|
if( 0 < len )
|
|
{
|
|
S32 i = 0;
|
|
|
|
// First character can be a negative sign
|
|
if( '-' == trimmed[0] )
|
|
{
|
|
i++;
|
|
}
|
|
|
|
for( ; i < len; i++ )
|
|
{
|
|
if( !LLStringOps::isDigit( trimmed[i] ) )
|
|
{
|
|
success = FALSE;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
return success;
|
|
}
|
|
|
|
// static
|
|
BOOL LLLineEditor::prevalidatePositiveS32(const LLWString &str)
|
|
{
|
|
LLLocale locale(LLLocale::USER_LOCALE);
|
|
|
|
LLWString trimmed = str;
|
|
LLWStringUtil::trim(trimmed);
|
|
S32 len = trimmed.length();
|
|
BOOL success = TRUE;
|
|
if(0 < len)
|
|
{
|
|
if(('-' == trimmed[0]) || ('0' == trimmed[0]))
|
|
{
|
|
success = FALSE;
|
|
}
|
|
S32 i = 0;
|
|
while(success && (i < len))
|
|
{
|
|
if(!LLStringOps::isDigit(trimmed[i++]))
|
|
{
|
|
success = FALSE;
|
|
}
|
|
}
|
|
}
|
|
if (success)
|
|
{
|
|
S32 val = strtol(wstring_to_utf8str(trimmed).c_str(), NULL, 10);
|
|
if (val <= 0)
|
|
{
|
|
success = FALSE;
|
|
}
|
|
}
|
|
return success;
|
|
}
|
|
|
|
BOOL LLLineEditor::prevalidateNonNegativeS32(const LLWString &str)
|
|
{
|
|
LLLocale locale(LLLocale::USER_LOCALE);
|
|
|
|
LLWString trimmed = str;
|
|
LLWStringUtil::trim(trimmed);
|
|
S32 len = trimmed.length();
|
|
BOOL success = TRUE;
|
|
if(0 < len)
|
|
{
|
|
if('-' == trimmed[0])
|
|
{
|
|
success = FALSE;
|
|
}
|
|
S32 i = 0;
|
|
while(success && (i < len))
|
|
{
|
|
if(!LLStringOps::isDigit(trimmed[i++]))
|
|
{
|
|
success = FALSE;
|
|
}
|
|
}
|
|
}
|
|
if (success)
|
|
{
|
|
S32 val = strtol(wstring_to_utf8str(trimmed).c_str(), NULL, 10);
|
|
if (val < 0)
|
|
{
|
|
success = FALSE;
|
|
}
|
|
}
|
|
return success;
|
|
}
|
|
|
|
BOOL LLLineEditor::prevalidateAlphaNum(const LLWString &str)
|
|
{
|
|
LLLocale locale(LLLocale::USER_LOCALE);
|
|
|
|
BOOL rv = TRUE;
|
|
S32 len = str.length();
|
|
if(len == 0) return rv;
|
|
while(len--)
|
|
{
|
|
if( !LLStringOps::isAlnum((char)str[len]) )
|
|
{
|
|
rv = FALSE;
|
|
break;
|
|
}
|
|
}
|
|
return rv;
|
|
}
|
|
|
|
// static
|
|
BOOL LLLineEditor::prevalidateAlphaNumSpace(const LLWString &str)
|
|
{
|
|
LLLocale locale(LLLocale::USER_LOCALE);
|
|
|
|
BOOL rv = TRUE;
|
|
S32 len = str.length();
|
|
if(len == 0) return rv;
|
|
while(len--)
|
|
{
|
|
if(!(LLStringOps::isAlnum((char)str[len]) || (' ' == str[len])))
|
|
{
|
|
rv = FALSE;
|
|
break;
|
|
}
|
|
}
|
|
return rv;
|
|
}
|
|
|
|
// static
|
|
BOOL LLLineEditor::prevalidatePrintableNotPipe(const LLWString &str)
|
|
{
|
|
BOOL rv = TRUE;
|
|
S32 len = str.length();
|
|
if(len == 0) return rv;
|
|
while(len--)
|
|
{
|
|
if('|' == str[len])
|
|
{
|
|
rv = FALSE;
|
|
break;
|
|
}
|
|
if(!((' ' == str[len]) || LLStringOps::isAlnum((char)str[len]) || LLStringOps::isPunct((char)str[len])))
|
|
{
|
|
rv = FALSE;
|
|
break;
|
|
}
|
|
}
|
|
return rv;
|
|
}
|
|
|
|
|
|
// static
|
|
BOOL LLLineEditor::prevalidatePrintableNoSpace(const LLWString &str)
|
|
{
|
|
BOOL rv = TRUE;
|
|
S32 len = str.length();
|
|
if(len == 0) return rv;
|
|
while(len--)
|
|
{
|
|
if(LLStringOps::isSpace(str[len]))
|
|
{
|
|
rv = FALSE;
|
|
break;
|
|
}
|
|
if( !(LLStringOps::isAlnum((char)str[len]) ||
|
|
LLStringOps::isPunct((char)str[len]) ) )
|
|
{
|
|
rv = FALSE;
|
|
break;
|
|
}
|
|
}
|
|
return rv;
|
|
}
|
|
|
|
// static
|
|
BOOL LLLineEditor::prevalidateASCII(const LLWString &str)
|
|
{
|
|
BOOL rv = TRUE;
|
|
S32 len = str.length();
|
|
while(len--)
|
|
{
|
|
if (str[len] < 0x20 || str[len] > 0x7f)
|
|
{
|
|
rv = FALSE;
|
|
break;
|
|
}
|
|
}
|
|
return rv;
|
|
}
|
|
|
|
void LLLineEditor::onMouseCaptureLost()
|
|
{
|
|
endSelection();
|
|
}
|
|
|
|
|
|
void LLLineEditor::setSelectAllonFocusReceived(BOOL b)
|
|
{
|
|
mSelectAllonFocusReceived = b;
|
|
}
|
|
|
|
|
|
void LLLineEditor::setKeystrokeCallback(callback_t callback, void* user_data)
|
|
{
|
|
mKeystrokeCallback = boost::bind(callback, _1, user_data);
|
|
}
|
|
|
|
|
|
BOOL LLLineEditor::setTextArg( const std::string& key, const LLStringExplicit& text )
|
|
{
|
|
mText.setArg(key, text);
|
|
return TRUE;
|
|
}
|
|
|
|
BOOL LLLineEditor::setLabelArg( const std::string& key, const LLStringExplicit& text )
|
|
{
|
|
mLabel.setArg(key, text);
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
void LLLineEditor::updateAllowingLanguageInput()
|
|
{
|
|
// Allow Language Text Input only when this LineEditor has
|
|
// no prevalidate function attached (as long as other criteria
|
|
// common to LLTextEditor). This criterion works
|
|
// fine on 1.15.0.2, since all prevalidate func reject any
|
|
// non-ASCII characters. I'm not sure on future versions,
|
|
// however...
|
|
LLWindow* window = getWindow();
|
|
if (!window)
|
|
{
|
|
// test app, no window available
|
|
return;
|
|
}
|
|
if (hasFocus() && !mReadOnly && !mDrawAsterixes && mPrevalidateFunc == NULL)
|
|
{
|
|
window->allowLanguageTextInput(this, TRUE);
|
|
}
|
|
else
|
|
{
|
|
window->allowLanguageTextInput(this, FALSE);
|
|
}
|
|
}
|
|
|
|
BOOL LLLineEditor::hasPreeditString() const
|
|
{
|
|
return (mPreeditPositions.size() > 1);
|
|
}
|
|
|
|
void LLLineEditor::resetPreedit()
|
|
{
|
|
if (hasPreeditString())
|
|
{
|
|
if (hasSelection())
|
|
{
|
|
llwarns << "Preedit and selection!" << llendl;
|
|
deselect();
|
|
}
|
|
|
|
const S32 preedit_pos = mPreeditPositions.front();
|
|
mText.erase(preedit_pos, mPreeditPositions.back() - preedit_pos);
|
|
mText.insert(preedit_pos, mPreeditOverwrittenWString);
|
|
setCursor(preedit_pos);
|
|
|
|
mPreeditWString.clear();
|
|
mPreeditOverwrittenWString.clear();
|
|
mPreeditPositions.clear();
|
|
|
|
// Don't reset key stroke timer nor invoke keystroke callback,
|
|
// because a call to updatePreedit should be follow soon in
|
|
// normal course of operation, and timer and callback will be
|
|
// maintained there. Doing so here made an odd sound. (VWR-3410)
|
|
}
|
|
}
|
|
|
|
void LLLineEditor::updatePreedit(const LLWString &preedit_string,
|
|
const segment_lengths_t &preedit_segment_lengths, const standouts_t &preedit_standouts, S32 caret_position)
|
|
{
|
|
// Just in case.
|
|
if (mReadOnly)
|
|
{
|
|
return;
|
|
}
|
|
|
|
// Note that call to updatePreedit is always preceeded by resetPreedit,
|
|
// so we have no existing selection/preedit.
|
|
|
|
S32 insert_preedit_at = getCursor();
|
|
|
|
mPreeditWString = preedit_string;
|
|
mPreeditPositions.resize(preedit_segment_lengths.size() + 1);
|
|
S32 position = insert_preedit_at;
|
|
for (segment_lengths_t::size_type i = 0; i < preedit_segment_lengths.size(); i++)
|
|
{
|
|
mPreeditPositions[i] = position;
|
|
position += preedit_segment_lengths[i];
|
|
}
|
|
mPreeditPositions.back() = position;
|
|
if (LL_KIM_OVERWRITE == gKeyboard->getInsertMode())
|
|
{
|
|
mPreeditOverwrittenWString.assign( LLWString( mText, insert_preedit_at, mPreeditWString.length() ) );
|
|
mText.erase(insert_preedit_at, mPreeditWString.length());
|
|
}
|
|
else
|
|
{
|
|
mPreeditOverwrittenWString.clear();
|
|
}
|
|
mText.insert(insert_preedit_at, mPreeditWString);
|
|
|
|
mPreeditStandouts = preedit_standouts;
|
|
|
|
setCursor(position);
|
|
setCursor(mPreeditPositions.front() + caret_position);
|
|
|
|
// Update of the preedit should be caused by some key strokes.
|
|
mKeystrokeTimer.reset();
|
|
if( mKeystrokeCallback )
|
|
{
|
|
mKeystrokeCallback( this );
|
|
}
|
|
}
|
|
|
|
BOOL LLLineEditor::getPreeditLocation(S32 query_offset, LLCoordGL *coord, LLRect *bounds, LLRect *control) const
|
|
{
|
|
if (control)
|
|
{
|
|
LLRect control_rect_screen;
|
|
localRectToScreen(getRect(), &control_rect_screen);
|
|
LLUI::screenRectToGL(control_rect_screen, control);
|
|
}
|
|
|
|
S32 preedit_left_column, preedit_right_column;
|
|
if (hasPreeditString())
|
|
{
|
|
preedit_left_column = mPreeditPositions.front();
|
|
preedit_right_column = mPreeditPositions.back();
|
|
}
|
|
else
|
|
{
|
|
preedit_left_column = preedit_right_column = getCursor();
|
|
}
|
|
if (preedit_right_column < mScrollHPos)
|
|
{
|
|
// This should not occure...
|
|
return FALSE;
|
|
}
|
|
|
|
const S32 query = (query_offset >= 0 ? preedit_left_column + query_offset : getCursor());
|
|
if (query < mScrollHPos || query < preedit_left_column || query > preedit_right_column)
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
if (coord)
|
|
{
|
|
S32 query_local = findPixelNearestPos(query - getCursor());
|
|
S32 query_screen_x, query_screen_y;
|
|
localPointToScreen(query_local, getRect().getHeight() / 2, &query_screen_x, &query_screen_y);
|
|
LLUI::screenPointToGL(query_screen_x, query_screen_y, &coord->mX, &coord->mY);
|
|
}
|
|
|
|
if (bounds)
|
|
{
|
|
S32 preedit_left_local = findPixelNearestPos(llmax(preedit_left_column, mScrollHPos) - getCursor());
|
|
S32 preedit_right_local = llmin(findPixelNearestPos(preedit_right_column - getCursor()), getRect().getWidth() - mBorderThickness);
|
|
if (preedit_left_local > preedit_right_local)
|
|
{
|
|
// Is this condition possible?
|
|
preedit_right_local = preedit_left_local;
|
|
}
|
|
|
|
LLRect preedit_rect_local(preedit_left_local, getRect().getHeight(), preedit_right_local, 0);
|
|
LLRect preedit_rect_screen;
|
|
localRectToScreen(preedit_rect_local, &preedit_rect_screen);
|
|
LLUI::screenRectToGL(preedit_rect_screen, bounds);
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
void LLLineEditor::getPreeditRange(S32 *position, S32 *length) const
|
|
{
|
|
if (hasPreeditString())
|
|
{
|
|
*position = mPreeditPositions.front();
|
|
*length = mPreeditPositions.back() - mPreeditPositions.front();
|
|
}
|
|
else
|
|
{
|
|
*position = mCursorPos;
|
|
*length = 0;
|
|
}
|
|
}
|
|
|
|
void LLLineEditor::getSelectionRange(S32 *position, S32 *length) const
|
|
{
|
|
if (hasSelection())
|
|
{
|
|
*position = llmin(mSelectionStart, mSelectionEnd);
|
|
*length = llabs(mSelectionStart - mSelectionEnd);
|
|
}
|
|
else
|
|
{
|
|
*position = mCursorPos;
|
|
*length = 0;
|
|
}
|
|
}
|
|
|
|
void LLLineEditor::markAsPreedit(S32 position, S32 length)
|
|
{
|
|
deselect();
|
|
setCursor(position);
|
|
if (hasPreeditString())
|
|
{
|
|
llwarns << "markAsPreedit invoked when hasPreeditString is true." << llendl;
|
|
}
|
|
mPreeditWString.assign( LLWString( mText.getWString(), position, length ) );
|
|
if (length > 0)
|
|
{
|
|
mPreeditPositions.resize(2);
|
|
mPreeditPositions[0] = position;
|
|
mPreeditPositions[1] = position + length;
|
|
mPreeditStandouts.resize(1);
|
|
mPreeditStandouts[0] = FALSE;
|
|
}
|
|
else
|
|
{
|
|
mPreeditPositions.clear();
|
|
mPreeditStandouts.clear();
|
|
}
|
|
if (LL_KIM_OVERWRITE == gKeyboard->getInsertMode())
|
|
{
|
|
mPreeditOverwrittenWString = mPreeditWString;
|
|
}
|
|
else
|
|
{
|
|
mPreeditOverwrittenWString.clear();
|
|
}
|
|
}
|
|
|
|
S32 LLLineEditor::getPreeditFontSize() const
|
|
{
|
|
return llround(mGLFont->getLineHeight() * LLUI::sGLScaleFactor.mV[VY]);
|
|
}
|
|
|
|
void LLLineEditor::setReplaceNewlinesWithSpaces(BOOL replace)
|
|
{
|
|
mReplaceNewlinesWithSpaces = replace;
|
|
}
|
|
|
|
LLWString LLLineEditor::getConvertedText() const
|
|
{
|
|
LLWString text = getWText();
|
|
LLWStringUtil::trim(text);
|
|
if (!mReplaceNewlinesWithSpaces)
|
|
{
|
|
LLWStringUtil::replaceChar(text,182,'\n'); // Convert paragraph symbols back into newlines.
|
|
}
|
|
return text;
|
|
}
|
|
|
|
namespace LLInitParam
|
|
{
|
|
template<>
|
|
bool ParamCompare<LLLinePrevalidateFunc>::equals(const LLLinePrevalidateFunc &a, const LLLinePrevalidateFunc &b)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
template<>
|
|
bool ParamCompare<boost::function<void (LLLineEditor *)> >::equals(
|
|
const boost::function<void (LLLineEditor *)> &a,
|
|
const boost::function<void (LLLineEditor *)> &b)
|
|
{
|
|
return false;
|
|
}
|
|
}
|